387 lines
14 KiB
C++
387 lines
14 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2011 Peter Collingbourne <peter@pcc.me.uk>
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Copyright 2011 Nicolas Despres <nicolas.despres@gmail.com>
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#ifndef cmGlobalNinjaGenerator_h
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# define cmGlobalNinjaGenerator_h
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# include "cmGlobalGenerator.h"
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# include "cmGlobalGeneratorFactory.h"
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# include "cmNinjaTypes.h"
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//#define NINJA_GEN_VERBOSE_FILES
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class cmLocalGenerator;
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class cmGeneratedFileStream;
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class cmGeneratorTarget;
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/**
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* \class cmGlobalNinjaGenerator
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* \brief Write a build.ninja file.
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*
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* The main differences between this generator and the UnixMakefile
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* generator family are:
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* - We don't care about VERBOSE variable or RULE_MESSAGES property since
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* it is handle by Ninja's -v option.
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* - We don't care about computing any progress status since Ninja manages
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* it itself.
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* - We don't care about generating a clean target since Ninja already have
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* a clean tool.
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* - We generate one build.ninja and one rules.ninja per project.
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* - We try to minimize the number of generated rules: one per target and
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* language.
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* - We use Ninja special variable $in and $out to produce nice output.
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* - We extensively use Ninja variable overloading system to minimize the
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* number of generated rules.
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*/
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class cmGlobalNinjaGenerator : public cmGlobalGenerator
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{
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public:
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/// The default name of Ninja's build file. Typically: build.ninja.
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static const char* NINJA_BUILD_FILE;
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/// The default name of Ninja's rules file. Typically: rules.ninja.
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/// It is included in the main build.ninja file.
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static const char* NINJA_RULES_FILE;
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/// The indentation string used when generating Ninja's build file.
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static const char* INDENT;
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/// Write @a count times INDENT level to output stream @a os.
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static void Indent(std::ostream& os, int count);
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/// Write a divider in the given output stream @a os.
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static void WriteDivider(std::ostream& os);
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static std::string EncodeIdent(const std::string &ident, std::ostream &vars);
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static std::string EncodeLiteral(const std::string &lit);
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static std::string EncodePath(const std::string &path);
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static std::string EncodeDepfileSpace(const std::string &path);
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/**
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* Write the given @a comment to the output stream @a os. It
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* handles new line character properly.
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*/
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static void WriteComment(std::ostream& os, const std::string& comment);
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/**
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* Write a build statement to @a os with the @a comment using
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* the @a rule the list of @a outputs files and inputs.
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* It also writes the variables bound to this build statement.
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* @warning no escaping of any kind is done here.
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*/
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void WriteBuild(std::ostream& os,
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const std::string& comment,
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const std::string& rule,
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const cmNinjaDeps& outputs,
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const cmNinjaDeps& explicitDeps,
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const cmNinjaDeps& implicitDeps,
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const cmNinjaDeps& orderOnlyDeps,
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const cmNinjaVars& variables,
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const std::string& rspfile = std::string(),
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int cmdLineLimit = -1);
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/**
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* Helper to write a build statement with the special 'phony' rule.
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*/
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void WritePhonyBuild(std::ostream& os,
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const std::string& comment,
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const cmNinjaDeps& outputs,
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const cmNinjaDeps& explicitDeps,
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const cmNinjaDeps& implicitDeps = cmNinjaDeps(),
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const cmNinjaDeps& orderOnlyDeps = cmNinjaDeps(),
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const cmNinjaVars& variables = cmNinjaVars());
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void WriteCustomCommandBuild(const std::string& command,
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const std::string& description,
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const std::string& comment,
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const cmNinjaDeps& outputs,
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const cmNinjaDeps& deps = cmNinjaDeps(),
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const cmNinjaDeps& orderOnly = cmNinjaDeps());
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void WriteMacOSXContentBuild(const std::string& input,
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const std::string& output);
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/**
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* Write a rule statement named @a name to @a os with the @a comment,
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* the mandatory @a command, the @a depfile and the @a description.
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* It also writes the variables bound to this rule statement.
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* @warning no escaping of any kind is done here.
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*/
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static void WriteRule(std::ostream& os,
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const std::string& name,
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const std::string& command,
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const std::string& description,
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const std::string& comment,
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const std::string& depfile,
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const std::string& deptype,
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const std::string& rspfile,
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const std::string& rspcontent,
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bool restat,
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bool generator);
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/**
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* Write a variable named @a name to @a os with value @a value and an
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* optional @a comment. An @a indent level can be specified.
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* @warning no escaping of any kind is done here.
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*/
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static void WriteVariable(std::ostream& os,
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const std::string& name,
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const std::string& value,
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const std::string& comment = "",
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int indent = 0);
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/**
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* Write an include statement including @a filename with an optional
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* @a comment to the @a os stream.
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*/
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static void WriteInclude(std::ostream& os,
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const std::string& filename,
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const std::string& comment = "");
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/**
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* Write a default target statement specifying @a targets as
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* the default targets.
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*/
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static void WriteDefault(std::ostream& os,
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const cmNinjaDeps& targets,
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const std::string& comment = "");
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static bool IsMinGW() { return UsingMinGW; }
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public:
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/// Default constructor.
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cmGlobalNinjaGenerator();
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/// Convenience method for creating an instance of this class.
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static cmGlobalGeneratorFactory* NewFactory() {
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return new cmGlobalGeneratorSimpleFactory<cmGlobalNinjaGenerator>(); }
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/// Destructor.
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virtual ~cmGlobalNinjaGenerator() { }
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/// Overloaded methods. @see cmGlobalGenerator::CreateLocalGenerator()
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virtual cmLocalGenerator* CreateLocalGenerator();
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/// Overloaded methods. @see cmGlobalGenerator::GetName().
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virtual std::string GetName() const {
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return cmGlobalNinjaGenerator::GetActualName(); }
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/// @return the name of this generator.
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static std::string GetActualName() { return "Ninja"; }
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/// Overloaded methods. @see cmGlobalGenerator::GetDocumentation()
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static void GetDocumentation(cmDocumentationEntry& entry);
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/// Overloaded methods. @see cmGlobalGenerator::Generate()
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virtual void Generate();
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/// Overloaded methods. @see cmGlobalGenerator::EnableLanguage()
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virtual void EnableLanguage(std::vector<std::string>const& languages,
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cmMakefile* mf,
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bool optional);
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/// Overloaded methods. @see cmGlobalGenerator::GenerateBuildCommand()
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virtual void GenerateBuildCommand(
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std::vector<std::string>& makeCommand,
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const std::string& makeProgram,
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const std::string& projectName,
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const std::string& projectDir,
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const std::string& targetName,
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const std::string& config,
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bool fast,
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std::vector<std::string> const& makeOptions = std::vector<std::string>()
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);
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// Setup target names
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virtual const char* GetAllTargetName() const { return "all"; }
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virtual const char* GetInstallTargetName() const { return "install"; }
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virtual const char* GetInstallLocalTargetName() const {
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return "install/local";
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}
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virtual const char* GetInstallStripTargetName() const {
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return "install/strip";
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}
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virtual const char* GetTestTargetName() const { return "test"; }
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virtual const char* GetPackageTargetName() const { return "package"; }
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virtual const char* GetPackageSourceTargetName() const {
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return "package_source";
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}
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virtual const char* GetEditCacheTargetName() const {
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return "edit_cache";
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}
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virtual const char* GetRebuildCacheTargetName() const {
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return "rebuild_cache";
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}
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virtual const char* GetCleanTargetName() const { return "clean"; }
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cmGeneratedFileStream* GetBuildFileStream() const {
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return this->BuildFileStream; }
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cmGeneratedFileStream* GetRulesFileStream() const {
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return this->RulesFileStream; }
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void AddCXXCompileCommand(const std::string &commandLine,
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const std::string &sourceFile);
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/**
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* Add a rule to the generated build system.
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* Call WriteRule() behind the scene but perform some check before like:
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* - Do not add twice the same rule.
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*/
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void AddRule(const std::string& name,
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const std::string& command,
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const std::string& description,
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const std::string& comment,
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const std::string& depfile,
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const std::string& deptype,
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const std::string& rspfile,
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const std::string& rspcontent,
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bool restat,
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bool generator);
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bool HasRule(const std::string& name);
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void AddCustomCommandRule();
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void AddMacOSXContentRule();
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bool HasCustomCommandOutput(const std::string &output) {
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return this->CustomCommandOutputs.find(output) !=
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this->CustomCommandOutputs.end();
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}
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/// Called when we have seen the given custom command. Returns true
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/// if we has seen it before.
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bool SeenCustomCommand(cmCustomCommand const *cc) {
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return !this->CustomCommands.insert(cc).second;
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}
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/// Called when we have seen the given custom command output.
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void SeenCustomCommandOutput(const std::string &output) {
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this->CustomCommandOutputs.insert(output);
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// We don't need the assumed dependencies anymore, because we have
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// an output.
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this->AssumedSourceDependencies.erase(output);
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}
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void AddAssumedSourceDependencies(const std::string &source,
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const cmNinjaDeps &deps) {
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std::set<std::string> &ASD = this->AssumedSourceDependencies[source];
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// Because we may see the same source file multiple times (same source
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// specified in multiple targets), compute the union of any assumed
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// dependencies.
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ASD.insert(deps.begin(), deps.end());
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}
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void AppendTargetOutputs(cmTarget const* target, cmNinjaDeps& outputs);
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void AppendTargetDepends(cmTarget const* target, cmNinjaDeps& outputs);
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void AddDependencyToAll(cmTarget* target);
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void AddDependencyToAll(const std::string& input);
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const std::vector<cmLocalGenerator*>& GetLocalGenerators() const {
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return LocalGenerators; }
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bool IsExcluded(cmLocalGenerator* root, cmTarget& target) {
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return cmGlobalGenerator::IsExcluded(root, target); }
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int GetRuleCmdLength(const std::string& name) {
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return RuleCmdLength[name]; }
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void AddTargetAlias(const std::string& alias, cmTarget* target);
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virtual void ComputeTargetObjectDirectory(cmGeneratorTarget* gt) const;
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protected:
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/// Overloaded methods.
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/// @see cmGlobalGenerator::CheckALLOW_DUPLICATE_CUSTOM_TARGETS()
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virtual bool CheckALLOW_DUPLICATE_CUSTOM_TARGETS() const { return true; }
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private:
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virtual std::string GetEditCacheCommand() const;
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/// @see cmGlobalGenerator::ComputeTargetObjects
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virtual void ComputeTargetObjects(cmGeneratorTarget* gt) const;
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void OpenBuildFileStream();
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void CloseBuildFileStream();
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void CloseCompileCommandsStream();
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void OpenRulesFileStream();
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void CloseRulesFileStream();
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/// Write the common disclaimer text at the top of each build file.
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void WriteDisclaimer(std::ostream& os);
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void WriteAssumedSourceDependencies();
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void WriteTargetAliases(std::ostream& os);
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void WriteUnknownExplicitDependencies(std::ostream& os);
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void WriteBuiltinTargets(std::ostream& os);
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void WriteTargetAll(std::ostream& os);
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void WriteTargetRebuildManifest(std::ostream& os);
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void WriteTargetClean(std::ostream& os);
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void WriteTargetHelp(std::ostream& os);
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std::string ninjaCmd() const;
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/// The file containing the build statement. (the relation ship of the
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/// compilation DAG).
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cmGeneratedFileStream* BuildFileStream;
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/// The file containing the rule statements. (The action attached to each
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/// edge of the compilation DAG).
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cmGeneratedFileStream* RulesFileStream;
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cmGeneratedFileStream* CompileCommandsStream;
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/// The type used to store the set of rules added to the generated build
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/// system.
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typedef std::set<std::string> RulesSetType;
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/// The set of rules added to the generated build system.
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RulesSetType Rules;
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/// Length of rule command, used by rsp file evaluation
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std::map<std::string, int> RuleCmdLength;
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/// The set of dependencies to add to the "all" target.
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cmNinjaDeps AllDependencies;
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/// The set of custom commands we have seen.
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std::set<cmCustomCommand const*> CustomCommands;
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/// The set of custom command outputs we have seen.
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std::set<std::string> CustomCommandOutputs;
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//The combined explicit dependencies of all build commands that the global
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//generator has issued. When combined with CombinedBuildOutputs it allows
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//us to detect the set of explicit dependencies that have
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std::set<std::string> CombinedBuildExplicitDependencies;
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std::set<std::string> CombinedBuildOutputs;
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/// The mapping from source file to assumed dependencies.
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std::map<std::string, std::set<std::string> > AssumedSourceDependencies;
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typedef std::map<std::string, cmTarget*> TargetAliasMap;
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TargetAliasMap TargetAliases;
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static cmLocalGenerator* LocalGenerator;
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static bool UsingMinGW;
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};
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#endif // ! cmGlobalNinjaGenerator_h
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